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GROM Audio GROM-MST4 Install Manual

Mp3 usb android iphone/ipod/ipad car stereo adapter kit for fiber-optic stereos optional bluetooth and aux-in extensions
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GROM-MST4
MP3 USB Android iPhone/iPod/iPad car stereo adapter kit
For fiber-optic stereos
Optional Bluetooth and AUX-In extensions
INSTALL MANUAL
SUPPORT:
HTTP://GROMAUDIO.COM/SUPPORT.HTML
Chat with us live 9am-5pm PST Monday through Friday
www.gromaudio.com
Copyright © GROM Audio, 2015
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Summary of Contents for GROM Audio GROM-MST4

  • Page 1 GROM-MST4 MP3 USB Android iPhone/iPod/iPad car stereo adapter kit For fiber-optic stereos Optional Bluetooth and AUX-In extensions INSTALL MANUAL SUPPORT: HTTP://GROMAUDIO.COM/SUPPORT.HTML Chat with us live 9am-5pm PST Monday through Friday www.gromaudio.com Copyright © GROM Audio, 2015...

  • Page 2: Table Of Contents

    Bluetooth Hands Free and Wireless, AUX-IN Precautions Disclaimer Completeness and connection of set Chapter 2 – General Installation Programming the car for GROM-MST4 Understanding how the fiber-optics works Tools needed Electrical and optical installation 2.4.1 CD changer is present and activated 2.4.1.1 Connection into Volvo XC90 2002-2006 at the CD changer location...

  • Page 3: Chapter 1 - Introduction

    Chapter 1 - Introduction 1.1 Subject Thank you for purchasing the GROM-MST4 adapter. It has been designed to provide endless hours of listening pleasure through factory stereos of the vehicles with fiber-optic MOST Transport technology, such as BMW, Mercedes Benz, Volvo and AUDI. To ensure that your GROM-MST4 interface performs correctly in your vehicle, we recommend that you read this entire manual before attempting to install the GROM interface.

  • Page 4: Precautions

    The purchase of this product carries no warranties, either expressed or implied • GROM Audio has confirmed the listed stereo and vehicle application to the best of our ability. Due to uncontrollable factors and various factory options, Grom Audio cannot 100% guarantee every listed application.

  • Page 5: Chapter 2 - General Installation

    If original CD changer fitted and no MP3 capability is available, you will need to retrofit “KMP3” option with service computer If original CD changer not fitted or M-ASK used: install GROM-MST4 and retrofit “CDC” and “KMP3” option with service computer.

  • Page 6: Tools Needed

    CD changer/CD player needs to be left in the fiber-optic ring for the install. In all cases you will not be able to use factory CD player after GROM install. If no CD changer is present, the GROM-MST4 will need to be wired into the fiber-optic ring on the vehicle.

  • Page 7: Cd Changer Is Present And Activated

    Ground power of GROM to the CD changer (See Image A & B for further info on Posi-tap connection location). 2.4.1.1 Connection into Volvo XC90 2002-2006 at the CD changer location Simply unplug the CD changer connector from Volvo CD changer and re-plug it into GROM-MST4 kit. 2.4.1.2 Connection into BMW at the CD changer location Simply unplug the CD changer connector from BMW CD changer and re-plug it into GROM-MST4 kit.
  • Page 8 Image A. Standard BMW CD Changer Connector If the CD changer connector PINs are in the wrong positions (not as it is shown on the image A, you will need to re- pin them so they will match image A. Please refer to the steps below for the instructions on how to remove and reposition the PIN.
  • Page 9 3. Factory 4-pin Connector removed from Main 4. Gently press release tab with a pick and pull slowly to connector. remove Pin 2 5. Pin 2 is now freed (Pin 2 is Ground) 6. Now insert Freed wire into Pin 4 location 7.

  • Page 10: Connection Into Audi And Mercedes Benz At The Cd Changer Location

    2.4.1.3 Connection into Audi and Mercedes Benz at the CD changer location Mercedes Benz and AUDI have different than GROM CD changer connector. You will need to transfer the factory fiber optic cable over to the GROM supplied MOST connector, and then connect the 12v power &...
  • Page 11 In some cases, when factory connector does not have sub-connector, you may have to release the fiber-optic cable from factory connector and insert into GROM supplied Connector, 7. Press BLUE retainer plastic inward (circled in Green) 8. Flip connector around and you will see BLUE plastic retainer coming out.
  • Page 12 Please refer to the image D. for connection into Mercedes Benz at CD changer location. Positive +12V connects to PIN/wire 1, Ground connects to PIN/wire 2: Image D. Connection into Mercedes Benz at the CD changer location. 2.4.2 Installation into BMW or Mercedes Benz when the CD changer is not present or has not been activated.
  • Page 13 1. Wire the GROM unit into the fiber-optic ring. To do that you will need to remove 1 (one) fiber optic wire from your factory wiring. It is normally held in with a plastic connector and small push tab. Carefully remove the appropriate fiber cable and replace with the appropriate GROM fiber cable.

  • Page 14: Installation Into Volvo S40/S/60/50 And Volvo Xc90 2007+ Cars

    Please refer to the picture below (Image F.) for connection into BMW and Mercedes Benz behind the stereo. Positive +12V connects to PIN/wire 15, Ground connects to PIN/wire 12: Image F. Connection into BMW/Mercedes Benz (rear of stereo connector port) NOTE: View of the connector behind stereo is flipped around 2.4.3 Installation into Volvo S40/S/60/50 and Volvo XC90 2007+ cars 1.
  • Page 15 Image G. Connection into Volvo S40/S60/V50/XC90 2007 – 2013 NOTE: In Volvo S40/S/60/50 and Volvo XC90 2007+ vehicles, it is very important that the GROM-MST4 unit must be installed between the Display of head-unit and the CD Player/Tuner. The Optic Light traveling out of the Display...

  • Page 16: Important Notice For Bmw Owners

    In cases were GROM installed and MMI stereo does not pick up the GROM after installation then check MMI software version as it may need to be updated to support MP3. The GROM-MST4 emulates a MP3 CD changer. http://www.gromaudio.com/docs/audi_mst.pdf For more information visit link:...

  • Page 17: Chapter 3 - Testing The Operation, Simple Usage Guide

    Chapter 3 – Testing the operation, simple usage guide 3.1 EXT1-EXT2 PORTS - Accessories Cables Connection Connect the cables to the appropriate slots available on GROM-MST4 (see illustration). EXT1- connect GROM Bluetooth Dongle, EXT2– connect GROM Bluetooth Dongle or AUX-In 3.5mm cable.

  • Page 18: Mode Selection For Mercedes Benz

    3.2.2 Quick USB Stick Operation for BMW non iDrive stereos 1. Press > or < button to change tracks 2. Numeric pad will let you to switch between the Folders/Playlists 3. Press and hold > or < for Fast Forward or Rewind 3.2.3 MODE Selection for Mercedes Benz 1.
  • Page 19 3.2.6 Quick USB Stick Operation for Volvo S40/S60/V50 and XC90 2007-2013 Single Disc Stereo 1. Press < or > button to change tracks 2. Turn right Tuning knob <10 to change tracks. 3. Track Time shows FOLDER and TRACK number. Minutes = Folder / Seconds = Track Number 4.

  • Page 20: Installation Troubleshooting

    Remedy Stereo is not recognizing 12v Power and Ground connection may not Make sure the power and Ground is pinned in correct the GROM-MST4 be pinned correctly location by using illustrations and by using a adapter millimeters or slightly tighten the Posi-Tap connector...

  • Page 21: Chapter 4 - Support

    All parts of this product are guaranteed for a period of 1 year as follows: Within the first 12 months from the date of purchase, subject to the conditions above, Grom Audio will repair or replace the product at their discretion, if it is defective in the material or workmanship.

  • Page 22: Operation Warning And Safety Instruction

    A. INDEMNIFICATION OF GROM AUDIO, ITS AGENTS AND EMPLOYEES. By Purchasing, Installing and Using the Products, You, the End- User, agree to indemnify, defend and hold harmless, GROM AUDIO, and it s Affiliates, Directors, Officers, Agents and Employees from any Liabilities, Damage, Loss, Claim and Expense (including reasonable Attorney’s Fees) arising out of the installation and use of the Products.

  • Page 23: Grom Audio Compatibility Disclaimer

    5.6 GROM Audio Compatibility Disclaimer GROM Audio strives to provide you with a high-quality product while maintaining competitive pricing. We continuously work to test and develop our product, however, in some cases; our interfaces may not be compatible with your application. Due to the wide range of electronics / anomalies found in car stereos, compatibility and/or controls may vary.

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